Sun
| Title | Sun |
| View | Solar Activity 78:7 (2008-003) |
| Series | VI: Yerkes Observatory |
| Description | Entire disk with large and smaller sunspots. Photograph taken with the 12-inch refractor telescope. |
| Subject Terms | Sun--Surface | Sunspots | Solar phenomena | Astronomical photography |
| Photographer | Calvert, Mary Ross, 1884-1974 |
| Photograph Date | 1917-02-09 |
| Physical Format | Lantern slides; 7.4 x 6.4 cm |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf6-02298 |
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